Environmental Data Summary
Aluminium CSG (Summary)
| BMS Mines | Worsley Refinery | Hillside Smelter | Bayside Smelter | Mozal Smelter | Aluminium CSG Total | |
|---|---|---|---|---|---|---|
Accidental Discharges (litres) |
||||||
| Hydrocarbons1 | 690 | 24 | 0 | 0 | 100 | 814 |
| Other materials | 0 | 255,085 | 0 | 0 | 0 | 255,085 |
Land (hectares) |
||||||
| Total footprint2 | 303,530 | 273,970 | 140 | 160 | 140 | 577,940 |
| Newly disturbed in the reporting period | 410 | 290 | 0 | 0 | 0 | 700 |
| Rehabilitated in the reporting period | 60 | 120 | 0 | 0 | 20 | 200 |
| Land requiring rehabilitation3 | 40 | 3,120 | 0 | 10 | 0 | 3,170 |
| Land available for rehabilitation | 20 | 30 | 0 | 0 | -10 | 40 |
Water Consumption (megalitres4) |
||||||
| Fresh water | 2,460 | 9,740 | 580 | 1,140 | 570 | 14,490 |
| Recycled water | 0 | 1,960 | 0 | 0 | 0 | 1,960 |
Energy Use (petajoules5) |
||||||
| Coal and Coke | 0 | 15.5 | 8 | 2.9 | 7.7 | 34.1 |
| Purchased electricity | 0.1 | 0.3 | 31 | 10.7 | 26.8 | 69 |
| Natural gas | 0 | 16.5 | 1.3 | 0.7 | 0 | 18.6 |
| Distillate & Others | 0.3 | 4.2 | 0 | 0 | 1 | 5.6 |
| Total | 0.4 | 36.5 | 40.4 | 14.4 | 35.5 | 127.3 |
Greenhouse Gas Emissions ('000 tonnes CO2-e6) |
||||||
| Carbon dioxide | 20 | 2,590 | 9,230 | 3,220 | 8,080 | 23,140 |
| Methane | 0 | 0 | 0 | 0 | 0 | 0 |
| Perfluorocarbons (PFCs) | 0 | 0 | 52 | 830 | 8 | 890 |
| Total | 20 | 2,590 | 9,290 | 4,050 | 8,080 | 24,030 |
Other Gaseous Emissions (tonnes) |
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| Oxides of sulphur | 50 | 9,690 | 11,850 | 3,930 | 10,590 | 36,110 |
| Oxides of nitrogen | 310 | 4,080 | 40 | 40 | 490 | 4,960 |
| Fluoride | 0 | 0 | 350 | 350 | 200 | 900 |
Waste (various units) |
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| Waste water & effluent discharged (megalitres) | 0 | 4,390 | 380 | 560 | 360 | 5,690 |
| Waste oil discharged to landfills (kilolitres7) | 0 | 0 | 0 | 610 | 0 | 610 |
| Mineral hazardous waste disposed (tonnes) | 0 | 6,849,180 | 0 | 0 | 0 | 6,849,180 |
| Other hazardous waste disposed to landfill (tonnes) | 0 | 60 | 5,460 | 9,120 | 1,620 | 16,260 |
| General waste disposed to landfill (tonnes) | 1,240 | 320 | 1,360 | 920 | 1,500 | 5,340 |
- Includes hydrocarbons released to secondary containment facilities and subsequently recovered.
- Includes onshore exploration leases, but exclude offshore exploration leases.
- This value includes the area to be rehabilitated while the project is operational, not the total area that will require rehabilitation at the end of project life.
- One megalitre is equal to 106 litres.
- One petajoules is equal to 1015 joules.
- CO2-e = Carbon dioxide equivalent (the basis of comparing the warming effect of greenhouse gases such as carbon dioxide, methane, perfluorocarbons, etc.)
- One kilolitre is equal to 103 litres.
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